the side effect of too much steroid use. dan kerman has details and on other witnesses. >> under cross-examination the continued to question the credibility of this former friend steve hodgk hoskins between inconsistencies of this testimony of prior statements made. whether or not he was reporting in to authorities for fraud. and when a sister, kathy seeing bond being injected. hoskins testified that after bond had elbow surgery. that his doctors said that this can only be caused by steroids. prosecutors said hoskins clarify that the signed barry bonds signature once he did it with permission. the lenext witness was with the anti-doping agency for the u.s.. he says that the signer steroids have been more popular more athletes try to build muscle and avoid detection. the side effects with acne, balding, testicle shrinkage, impotence, and herexcessive hai rage faugh hair growth, and hand feet and head could be increased size. the defense is saying that there is not enough studies to provide his findings. future prosecution wit